Controller for game machine



FIG. 1 is a perspective view of a controller for game machine;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines represent the portions of the design that form no part of the claim. 

The ornamental design for a controller for game machine, as shown and described. 